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It holds up about as well as bluing.
The Birchwood Casey Super blue that is, it's worth it if you want an unusual look, but it does wear off eventually about like anything would. To do the brass finish the blade must be hot and this is a process I would warn somebody to think twice about it if they are thinking of doing it to a finished and tempered knife. Maybe 10 minutes at 425 won't change the temper much (it shouldn't), but it may and I wouldn't do it more than once.
I stumbled upon the process by accident by using a brass brush to clean my welds on steel. Got in trouble with some parts that were going to be black oxide or hot blued as it didn't blacken the welded area.
Btw, some stainless steels have a low tempering temp like 440C and you do not want to take it up too 400+ temps. Know your steel before attempting this. Some have 800+ temper temps and this wouldn't bother them.
Last edited by jimmontg; 07-21-2017 at 04:42 PM.
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